Fire detector



FIG. 1 is a perspective view of the top and side of the fire detector

FIG. 2 is a top view of the fire detector;

FIG. 3 is a left side view of the fire detector in a vertical position;

FIG. 4 is a right side view of the fire detector in a vertical position;

FIG. 5 is a left side view of the fire detector in a horizontal position with the top oriented downward; and,

FIG. 6 is a right side view of the fire detector in a horizontal position with the top oriented upward. 

CLAIM The ornamental design for a fire detector, as shown and described. 